Home / 54,828.50-75,663.33-29,678.18

Finding the Fourth Proportional to 54,828.50, 75,663.33 and 29,678.18

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Solution

The fourth proportional to 54,828.50, 75,663.33 and 29,678.18 is: 40,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,828.50 : 75,663.33 = 29,678.18 : x
  2. Step 2: Convert to fraction form
    54,828.50/75,663.33 = 29,678.18/x
  3. Step 3: Cross multiply
    54,828.50x = 75,663.33 × 29,678.18
  4. Step 4: Simplify right side
    54,828.50x = 2,245,549,927.14
  5. Step 5: Solve for x
    x = 2,245,549,927.14/54,828.50
  6. Step 6: Final answer
    x = 40,955.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.